If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u+2.9=8.9
We move all terms to the left:
u+2.9-(8.9)=0
We add all the numbers together, and all the variables
u-6=0
We move all terms containing u to the left, all other terms to the right
u=6
| 8x=16= | | 7x+9x+10x=78 | | 2(6y-5)+y=-62 | | v+4.9=13.9 | | -54=-3x | | 7n=14= | | 7n=14+ | | 4=x/17 | | 2(×+6)=4x-2 | | 4x−5 5=−x+8 | | −8+x=3 | | (3b-4)3=6(b-1) | | 2(49x+518)=101x+784 | | (2x-7)^2=23 | | (2b-4)4=8(b-1) | | 3v^2-4v-9=0 | | 7n-20=36+9 | | -5(x+3)-42=6-28 | | 4x+12=-6x+32 | | 24x+8-28x=3-7 | | 2x=12=-51-7x | | 16h+h+-7h=-20 | | m/4=4/5 | | 11x-12/10-10x=11/10×19/10 | | 2x+-5=4x+-2 | | 4y-3y-y+2y-y=12 | | 9x+14-8x=-2-13 | | 7-g×=-4 | | 4×x-3=25 | | x+-9=-4x+39 | | 15n-11n+2n-2n+2n=18 | | 58y=3(19y+136) |